Title:
Immersed spark gap printer
United States Patent 3177800
US Patent References:
/1097131.html
- - 1097131

Recording system
- - 2143376

Stylus mechanism
- - 2676869

Magnetic and electric ink oscillograph
- - 2925312

Continuous article coding apparatus
- - 2975703


Inventors:
Frazer, Welsh Herbert
Publication Date:
04/13/1965
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Assignee:
SPERRY RAND CORP
Primary Class:
101/494
Other Classes:
392/394, 101/45, 347/159, 347/61
International Classes:
B41J2/14
Foreign References:
DK81920A
GB605979A